When you think of Christmas music, there’s one song that stands apart and one TV moment that feels like pure holiday magic. On December 20, 1957, two of the greatest voices the world has ever known, Bing Crosby and Frank Sinatra, appeared together on television in the Christmas special Happy Holidays with Bing and Frank, part of The Frank Sinatra Show. On that broadcast they sang a duet of the famous holiday classic White Christmas, a moment that still warms hearts with its blend of nostalgia, f